5  * allow the dwc-otg USB host controller driver in the Raspbian kernel
25 #include "qemu/error-report.h"
27 #include "qemu/main-loop.h"
31     qemu_set_irq(s->irq, 1);  in mphi_raise_irq()
36     qemu_set_irq(s->irq, 0);  in mphi_lower_irq()
46         val = s->outdda;  in mphi_reg_read()
49         val = s->outddb;  in mphi_reg_read()
51     case 0x4c:  /* ctrl */  in mphi_reg_read()
52         val = s->ctrl;  in mphi_reg_read()
56         val = s->intstat;  in mphi_reg_read()
59         val = s->swirq;  in mphi_reg_read()
62         val = s->swirq;  in mphi_reg_read()
79         s->outdda = val;  in mphi_reg_write()
82         s->outddb = val;  in mphi_reg_write()
87     case 0x4c:  /* ctrl */  in mphi_reg_write()
88         s->ctrl = val;  in mphi_reg_write()
90             do_irq = -1;  in mphi_reg_write()
94         s->intstat = val;  in mphi_reg_write()
96             do_irq = -1;  in mphi_reg_write()
100         s->swirq |= val;  in mphi_reg_write()
104         s->swirq &= ~val;  in mphi_reg_write()
105         do_irq = -1;  in mphi_reg_write()
127 static void mphi_reset(DeviceState *dev)  in mphi_reset()  argument
129     BCM2835MphiState *s = BCM2835_MPHI(dev);  in mphi_reset()
131     s->outdda = 0;  in mphi_reset()
132     s->outddb = 0;  in mphi_reset()
133     s->ctrl = 0;  in mphi_reset()
134     s->intstat = 0;  in mphi_reset()
135     s->swirq = 0;  in mphi_reset()
138 static void mphi_realize(DeviceState *dev, Error **errp)  in mphi_realize()  argument
140     SysBusDevice *sbd = SYS_BUS_DEVICE(dev);  in mphi_realize()
141     BCM2835MphiState *s = BCM2835_MPHI(dev);  in mphi_realize()
143     sysbus_init_irq(sbd, &s->irq);  in mphi_realize()
151     memory_region_init_io(&s->iomem, obj, &mphi_mmio_ops, s, "mphi", MPHI_MMIO_SIZE);  in mphi_init()
152     sysbus_init_mmio(sbd, &s->iomem);  in mphi_init()
162         VMSTATE_UINT32(ctrl, BCM2835MphiState),
173     dc->realize = mphi_realize;  in mphi_class_init()
175     dc->vmsd = &vmstate_mphi_state;  in mphi_class_init()